diff options
Diffstat (limited to 'slirp/src/util.c')
| m--------- | slirp | 0 | ||||
| -rw-r--r-- | slirp/src/util.c | 368 |
2 files changed, 0 insertions, 368 deletions
diff --git a/slirp b/slirp new file mode 160000 +Subproject 59a1b1f165458c2acb7ff0525b543945f741622 diff --git a/slirp/src/util.c b/slirp/src/util.c deleted file mode 100644 index 60bb200..0000000 --- a/slirp/src/util.c +++ /dev/null @@ -1,368 +0,0 @@ -/* SPDX-License-Identifier: MIT */ -/* - * util.c (mostly based on QEMU os-win32.c) - * - * Copyright (c) 2003-2008 Fabrice Bellard - * Copyright (c) 2010-2016 Red Hat, Inc. - * - * QEMU library functions for win32 which are shared between QEMU and - * the QEMU tools. - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - */ -#include "util.h" - -#include <glib.h> -#include <fcntl.h> -#include <stdint.h> - -#if defined(_WIN32) -int slirp_inet_aton(const char *cp, struct in_addr *ia) -{ - uint32_t addr = inet_addr(cp); - if (addr == 0xffffffff) { - return 0; - } - ia->s_addr = addr; - return 1; -} -#endif - -void slirp_set_nonblock(int fd) -{ -#ifndef _WIN32 - int f; - f = fcntl(fd, F_GETFL); - assert(f != -1); - f = fcntl(fd, F_SETFL, f | O_NONBLOCK); - assert(f != -1); -#else - unsigned long opt = 1; - ioctlsocket(fd, FIONBIO, &opt); -#endif -} - -static void slirp_set_cloexec(int fd) -{ -#ifndef _WIN32 - int f; - f = fcntl(fd, F_GETFD); - assert(f != -1); - f = fcntl(fd, F_SETFD, f | FD_CLOEXEC); - assert(f != -1); -#endif -} - -/* - * Opens a socket with FD_CLOEXEC set - */ -int slirp_socket(int domain, int type, int protocol) -{ - int ret; - -#ifdef SOCK_CLOEXEC - ret = socket(domain, type | SOCK_CLOEXEC, protocol); - if (ret != -1 || errno != EINVAL) { - return ret; - } -#endif - ret = socket(domain, type, protocol); - if (ret >= 0) { - slirp_set_cloexec(ret); - } - - return ret; -} - -#ifdef _WIN32 -static int socket_error(void) -{ - switch (WSAGetLastError()) { - case 0: - return 0; - case WSAEINTR: - return EINTR; - case WSAEINVAL: - return EINVAL; - case WSA_INVALID_HANDLE: - return EBADF; - case WSA_NOT_ENOUGH_MEMORY: - return ENOMEM; - case WSA_INVALID_PARAMETER: - return EINVAL; - case WSAENAMETOOLONG: - return ENAMETOOLONG; - case WSAENOTEMPTY: - return ENOTEMPTY; - case WSAEWOULDBLOCK: - /* not using EWOULDBLOCK as we don't want code to have - * to check both EWOULDBLOCK and EAGAIN */ - return EAGAIN; - case WSAEINPROGRESS: - return EINPROGRESS; - case WSAEALREADY: - return EALREADY; - case WSAENOTSOCK: - return ENOTSOCK; - case WSAEDESTADDRREQ: - return EDESTADDRREQ; - case WSAEMSGSIZE: - return EMSGSIZE; - case WSAEPROTOTYPE: - return EPROTOTYPE; - case WSAENOPROTOOPT: - return ENOPROTOOPT; - case WSAEPROTONOSUPPORT: - return EPROTONOSUPPORT; - case WSAEOPNOTSUPP: - return EOPNOTSUPP; - case WSAEAFNOSUPPORT: - return EAFNOSUPPORT; - case WSAEADDRINUSE: - return EADDRINUSE; - case WSAEADDRNOTAVAIL: - return EADDRNOTAVAIL; - case WSAENETDOWN: - return ENETDOWN; - case WSAENETUNREACH: - return ENETUNREACH; - case WSAENETRESET: - return ENETRESET; - case WSAECONNABORTED: - return ECONNABORTED; - case WSAECONNRESET: - return ECONNRESET; - case WSAENOBUFS: - return ENOBUFS; - case WSAEISCONN: - return EISCONN; - case WSAENOTCONN: - return ENOTCONN; - case WSAETIMEDOUT: - return ETIMEDOUT; - case WSAECONNREFUSED: - return ECONNREFUSED; - case WSAELOOP: - return ELOOP; - case WSAEHOSTUNREACH: - return EHOSTUNREACH; - default: - return EIO; - } -} - -#undef ioctlsocket -int slirp_ioctlsocket_wrap(int fd, int req, void *val) -{ - int ret; - ret = ioctlsocket(fd, req, val); - if (ret < 0) { - errno = socket_error(); - } - return ret; -} - -#undef closesocket -int slirp_closesocket_wrap(int fd) -{ - int ret; - ret = closesocket(fd); - if (ret < 0) { - errno = socket_error(); - } - return ret; -} - -#undef connect -int slirp_connect_wrap(int sockfd, const struct sockaddr *addr, int addrlen) -{ - int ret; - ret = connect(sockfd, addr, addrlen); - if (ret < 0) { - errno = socket_error(); - } - return ret; -} - -#undef listen -int slirp_listen_wrap(int sockfd, int backlog) -{ - int ret; - ret = listen(sockfd, backlog); - if (ret < 0) { - errno = socket_error(); - } - return ret; -} - -#undef bind -int slirp_bind_wrap(int sockfd, const struct sockaddr *addr, int addrlen) -{ - int ret; - ret = bind(sockfd, addr, addrlen); - if (ret < 0) { - errno = socket_error(); - } - return ret; -} - -#undef socket -int slirp_socket_wrap(int domain, int type, int protocol) -{ - int ret; - ret = socket(domain, type, protocol); - if (ret < 0) { - errno = socket_error(); - } - return ret; -} - -#undef accept -int slirp_accept_wrap(int sockfd, struct sockaddr *addr, int *addrlen) -{ - int ret; - ret = accept(sockfd, addr, addrlen); - if (ret < 0) { - errno = socket_error(); - } - return ret; -} - -#undef shutdown -int slirp_shutdown_wrap(int sockfd, int how) -{ - int ret; - ret = shutdown(sockfd, how); - if (ret < 0) { - errno = socket_error(); - } - return ret; -} - -#undef getsockopt -int slirp_getsockopt_wrap(int sockfd, int level, int optname, - void *optval, int *optlen) -{ - int ret; - ret = getsockopt(sockfd, level, optname, optval, optlen); - if (ret < 0) { - errno = socket_error(); - } - return ret; -} - -#undef setsockopt -int slirp_setsockopt_wrap(int sockfd, int level, int optname, - const void *optval, int optlen) -{ - int ret; - ret = setsockopt(sockfd, level, optname, optval, optlen); - if (ret < 0) { - errno = socket_error(); - } - return ret; -} - -#undef getpeername -int slirp_getpeername_wrap(int sockfd, struct sockaddr *addr, - int *addrlen) -{ - int ret; - ret = getpeername(sockfd, addr, addrlen); - if (ret < 0) { - errno = socket_error(); - } - return ret; -} - -#undef getsockname -int slirp_getsockname_wrap(int sockfd, struct sockaddr *addr, - int *addrlen) -{ - int ret; - ret = getsockname(sockfd, addr, addrlen); - if (ret < 0) { - errno = socket_error(); - } - return ret; -} - -#undef send -ssize_t slirp_send_wrap(int sockfd, const void *buf, size_t len, int flags) -{ - int ret; - ret = send(sockfd, buf, len, flags); - if (ret < 0) { - errno = socket_error(); - } - return ret; -} - -#undef sendto -ssize_t slirp_sendto_wrap(int sockfd, const void *buf, size_t len, int flags, - const struct sockaddr *addr, int addrlen) -{ - int ret; - ret = sendto(sockfd, buf, len, flags, addr, addrlen); - if (ret < 0) { - errno = socket_error(); - } - return ret; -} - -#undef recv -ssize_t slirp_recv_wrap(int sockfd, void *buf, size_t len, int flags) -{ - int ret; - ret = recv(sockfd, buf, len, flags); - if (ret < 0) { - errno = socket_error(); - } - return ret; -} - -#undef recvfrom -ssize_t slirp_recvfrom_wrap(int sockfd, void *buf, size_t len, int flags, - struct sockaddr *addr, int *addrlen) -{ - int ret; - ret = recvfrom(sockfd, buf, len, flags, addr, addrlen); - if (ret < 0) { - errno = socket_error(); - } - return ret; -} -#endif /* WIN32 */ - -void slirp_pstrcpy(char *buf, int buf_size, const char *str) -{ - int c; - char *q = buf; - - if (buf_size <= 0) - return; - - for(;;) { - c = *str++; - if (c == 0 || q >= buf + buf_size - 1) - break; - *q++ = c; - } - *q = '\0'; -} |